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One example can be the holographic process. Holograms are probably the best simulations of the real objects, but they are (still) analogic.

The second issue is about the un-simulatability, and I think with Roger that it is very interesting. Maybe that the digital is a part of a great longtime dream which wants to describe (simulate?) the world with the numbers. But according to Gödel "not all can be calculated, formalized and mechanized inside the formal system of the computer" (cit. in Peter Weibel, "Mondi virtuali: i nuovi corpi dell'imperatore", in Pier Luigi Capucci, Realtà del virtuale, Bologna, Clueb, 1993, p. 205. Here Weibel's text in English:http://www.lampsacus.com/documents/WEIBELEMPERORS.pdf).

Not all what exists can be numerized, computated, calculated, transduced into numbers. The complexity of the world and its working are beyond the possibilities of the computability. Maybe Gödel's incompleteness theorems have definitely shelved David Hilbert's program keen on building a universal mathematic formalism.

And according to Roger Penrose this supposed difference between "what can mechanically be demonstrated" and "what can be recognized as true from humans" shows that the human intelligence has not an algorithmic nature.

As I wrote in a previous message, the - digital or not - models and simulations are always reductions of the objects and the phenomena they want to simulate. Not everything can be simulated. But is there anything that can't be simulated at all? Consciousness? What we humans call "intelligence"? How are the artists approaching these topics?

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